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southwest

[south-west; Nautical sou-west]
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noun
  1. the point or direction midway between south and west. Abbreviation: SW
  2. a region in this direction.
  3. the Southwest, the southwest region of the United States.
adjective
  1. lying toward, situated in, or directed toward the southwest.
  2. coming from the southwest, as a wind.
adverb
  1. in the direction midway between south and west.

Origin of southwest

before 900; Middle English; Old English sūthwest. See south, west
Related formssouth·west·ern, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for southwest

southwest

noun
  1. the point of the compass or the direction midway between west and south, 225° clockwise from north
  2. (often cap usually preceded by the) any area lying in or towards this direction
adjective Also: southwestern
  1. (sometimes capital) of or denoting the southwestern part of a specified country, area, etcsouthwest Italy
  2. situated in or towards the southwest
  3. (esp of the wind) from the southwest
adverb
  1. in, to, towards, or (esp of the wind) from the southwest
Symbol: SW
Derived Formssouthwesternmost, adjective

Southwest

noun
  1. the Southwest the southwestern part of Britain, esp Cornwall, Devon, and Somerset
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for southwest

adv.

Old English suð-west; see south + west. As a noun from early 12c. Related: Southwester; southwesterly.

Online Etymology Dictionary, © 2010 Douglas Harper